The handle of a cast iron skillet being used to cook something becomes too hot to touch.
What type of heat transfer is this?
What is Conduction
100
What are the primary colors of visible light?
What is red, green, blue
100
In gym class a student kicks a soccer ball high into the air. As the ball goes upward,which type of energy is increasing?
What is potential energy
100
Which type of energy conversion occurs in a flashlight?
What is chemical to light
200
What is a population?
What is all members of the same species.
200
The distance between atoms is often affected by temperature. What is the natural order of sequence for the following: steam, ice, water.
What is water, steam, ice
200
When a wave hits a surface through which it cannot pass, it bounces back.
This interaction with the surface is called
What is reflection
200
What is an electrical motor is designed to turn electrical energy into?
What is mechanical energy
200
What is happening to the light as it passes through a concave lens?
What is refracted
300
What is a behavior or physical characteristic that helps an organism survive and reproduce?
What is an adaptation
300
Two soup jars are placed inside an insulated box. One jar contains ice water and the other contains hot soup. What will happen to the two liquids?
What is the hot soup will lose heat and the ice water will gain heat.
300
Why does the straw in a glass of water appear to be split at the surface of the water?
What is the water refracts light passing through it.
300
As energy is transformed in juggling, what is the kinetic energy doing?
What is increases then decreases
300
The gray wolf eats deer. Over the last ten years, hunters have killed off a large number of gray wolves. What do you predict has happened to the deer population?
What is the deer population increased
400
Which of the following might restrict the growth of a population?
A. mild winters
B. increased predation
C. increased numbers of prey
D. ample rainfall
What is B. increased predation
400
An object is made from a material that is hard and shiny and that can be hammered into thin sheets.
Which is another likely property of the material?
What is a good conductor of heat.
400
When a piece of plastic is placed on the page of a book, the words can be read easily. The plastic can be best described as?
What is transparent
400
What kind of energy change occurs when a battery is operating a remote control toy?
What is potential energy is changed to kinetic energy
400
When two organisms need the same resources, ______________ is likely to occur.
What is competition
500
What change in which of the following factors could reduce the size of a fish population?
A. kind of predators
B. potential mates
C. food supply
D. height of tides
What is C. food supply
500
When walking along an asphalt street after sundown, a person often feels heat coming off the pavement. The heat is moving from the asphalt to the person by?
What is convection
500
When red, green, and blue light are combined in approximately equal amounts,the light mixture that results would appear approximately?
What is white
500
How would you calculate an object’s mechanical energy?
What is add its kinetic and potential energies.
500
Organisms with advantageous traits survive and organisms with disadvantageous traits do not. This state briefly describes the theory of...